The U.S. Department of the Interior (Interior) recently announced a new policy that “end[s] preferential...

Historic Preservation
Historic architectural and landscape resources bring an intangible value to our society, environment, and local communities.
As time passes, the identification and preservation of historic resources becomes increasingly important. ESA provides professional consulting services to assist project applicants and property owners in reducing impacts to these resources and to meet preservation requirements for rehabilitation/adaptive-reuse or redevelopment projects pursuant to federal, state, and local regulations.
Our team consists of highly qualified architectural historians, historic architects, conservators, and preservation planners who exceed the U.S. Secretary of the Interior’s Professional Qualification Standards (36 CFR 61).
- California Environmental Quality Act (CEQA)
- Collaboration with descendant communities
- HABS/HAER documentation
- Historical resources avoidance plans
- Historical resources management plans
- Mitigation solutions
- National Environmental Policy Act (NEPA)
- National Historic Preservation Act (NHPA) Section 106 compliance
- Public interpretation for historical resources
- Real-time data collection systems
Featured Projects
News & Ideas
As chronicled by our Federal Strategy Team here and here, the National Environmental Policy Act...
ESA is proud to be a Gold Sponsor for this event – one we look...
Last week, several agencies released updated National Environmental Policy Act (NEPA) implementing procedures. Following the...
The finalization of California’s 2026 Fiscal Year budget on June 30, 2025, did more than...
Phong Ly is a water resources engineer with five years of experience in open channel...